./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/28-race_reach_81-list_racing.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b947c948-c69b-4c27-863f-e22126fd5a65/bin/utaipan-6cKwYrpEi9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b947c948-c69b-4c27-863f-e22126fd5a65/bin/utaipan-6cKwYrpEi9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b947c948-c69b-4c27-863f-e22126fd5a65/bin/utaipan-6cKwYrpEi9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b947c948-c69b-4c27-863f-e22126fd5a65/bin/utaipan-6cKwYrpEi9/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_81-list_racing.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b947c948-c69b-4c27-863f-e22126fd5a65/bin/utaipan-6cKwYrpEi9/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b947c948-c69b-4c27-863f-e22126fd5a65/bin/utaipan-6cKwYrpEi9 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3de6ec2acea23c0ab47fbc2e02ad0931145060ca78b80531ef692b3505f9553b --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 21:18:03,524 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 21:18:03,526 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 21:18:03,548 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 21:18:03,548 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 21:18:03,549 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 21:18:03,551 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 21:18:03,552 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 21:18:03,554 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 21:18:03,555 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 21:18:03,556 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 21:18:03,557 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 21:18:03,558 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 21:18:03,559 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 21:18:03,560 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 21:18:03,562 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 21:18:03,563 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 21:18:03,564 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 21:18:03,565 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 21:18:03,567 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 21:18:03,569 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 21:18:03,570 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 21:18:03,571 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 21:18:03,572 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 21:18:03,576 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 21:18:03,577 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 21:18:03,577 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 21:18:03,578 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 21:18:03,579 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 21:18:03,580 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 21:18:03,580 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 21:18:03,581 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 21:18:03,582 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 21:18:03,584 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 21:18:03,585 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 21:18:03,585 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 21:18:03,586 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 21:18:03,587 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 21:18:03,587 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 21:18:03,588 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 21:18:03,589 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 21:18:03,592 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b947c948-c69b-4c27-863f-e22126fd5a65/bin/utaipan-6cKwYrpEi9/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-20 21:18:03,633 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 21:18:03,633 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 21:18:03,634 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 21:18:03,634 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 21:18:03,635 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 21:18:03,635 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 21:18:03,635 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-20 21:18:03,636 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-20 21:18:03,636 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-20 21:18:03,636 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-20 21:18:03,636 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-20 21:18:03,637 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-20 21:18:03,637 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-20 21:18:03,637 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-20 21:18:03,637 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-20 21:18:03,638 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-20 21:18:03,638 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-20 21:18:03,638 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-20 21:18:03,639 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 21:18:03,645 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 21:18:03,645 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 21:18:03,645 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 21:18:03,646 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 21:18:03,646 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 21:18:03,646 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 21:18:03,646 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 21:18:03,647 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 21:18:03,647 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-20 21:18:03,648 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 21:18:03,648 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 21:18:03,649 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 21:18:03,649 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 21:18:03,650 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 21:18:03,650 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 21:18:03,651 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 21:18:03,652 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 21:18:03,653 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-20 21:18:03,653 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 21:18:03,653 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 21:18:03,653 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-20 21:18:03,653 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 21:18:03,654 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 21:18:03,654 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-20 21:18:03,654 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b947c948-c69b-4c27-863f-e22126fd5a65/bin/utaipan-6cKwYrpEi9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b947c948-c69b-4c27-863f-e22126fd5a65/bin/utaipan-6cKwYrpEi9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3de6ec2acea23c0ab47fbc2e02ad0931145060ca78b80531ef692b3505f9553b [2022-11-20 21:18:03,985 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 21:18:04,021 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 21:18:04,034 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 21:18:04,035 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 21:18:04,035 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 21:18:04,037 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b947c948-c69b-4c27-863f-e22126fd5a65/bin/utaipan-6cKwYrpEi9/../../sv-benchmarks/c/goblint-regression/28-race_reach_81-list_racing.i [2022-11-20 21:18:07,050 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 21:18:07,371 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 21:18:07,372 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b947c948-c69b-4c27-863f-e22126fd5a65/sv-benchmarks/c/goblint-regression/28-race_reach_81-list_racing.i [2022-11-20 21:18:07,389 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b947c948-c69b-4c27-863f-e22126fd5a65/bin/utaipan-6cKwYrpEi9/data/97109d8e6/7bcaf1137a7441d0a7a5c6d7c0cfa621/FLAG863699278 [2022-11-20 21:18:07,404 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b947c948-c69b-4c27-863f-e22126fd5a65/bin/utaipan-6cKwYrpEi9/data/97109d8e6/7bcaf1137a7441d0a7a5c6d7c0cfa621 [2022-11-20 21:18:07,407 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 21:18:07,408 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 21:18:07,410 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 21:18:07,410 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 21:18:07,414 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 21:18:07,416 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:18:07" (1/1) ... [2022-11-20 21:18:07,417 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63203f93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:18:07, skipping insertion in model container [2022-11-20 21:18:07,418 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:18:07" (1/1) ... [2022-11-20 21:18:07,426 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 21:18:07,494 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 21:18:07,980 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b947c948-c69b-4c27-863f-e22126fd5a65/sv-benchmarks/c/goblint-regression/28-race_reach_81-list_racing.i[47038,47051] [2022-11-20 21:18:08,025 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 21:18:08,038 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 21:18:08,073 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b947c948-c69b-4c27-863f-e22126fd5a65/sv-benchmarks/c/goblint-regression/28-race_reach_81-list_racing.i[47038,47051] [2022-11-20 21:18:08,093 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 21:18:08,151 INFO L208 MainTranslator]: Completed translation [2022-11-20 21:18:08,152 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:18:08 WrapperNode [2022-11-20 21:18:08,152 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 21:18:08,153 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 21:18:08,153 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 21:18:08,154 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 21:18:08,161 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:18:08" (1/1) ... [2022-11-20 21:18:08,217 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:18:08" (1/1) ... [2022-11-20 21:18:08,295 INFO L138 Inliner]: procedures = 278, calls = 54, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 310 [2022-11-20 21:18:08,295 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 21:18:08,296 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 21:18:08,296 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 21:18:08,296 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 21:18:08,306 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:18:08" (1/1) ... [2022-11-20 21:18:08,306 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:18:08" (1/1) ... [2022-11-20 21:18:08,311 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:18:08" (1/1) ... [2022-11-20 21:18:08,311 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:18:08" (1/1) ... [2022-11-20 21:18:08,348 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:18:08" (1/1) ... [2022-11-20 21:18:08,354 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:18:08" (1/1) ... [2022-11-20 21:18:08,367 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:18:08" (1/1) ... [2022-11-20 21:18:08,369 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:18:08" (1/1) ... [2022-11-20 21:18:08,373 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 21:18:08,381 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 21:18:08,382 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 21:18:08,382 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 21:18:08,383 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:18:08" (1/1) ... [2022-11-20 21:18:08,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 21:18:08,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b947c948-c69b-4c27-863f-e22126fd5a65/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 21:18:08,415 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b947c948-c69b-4c27-863f-e22126fd5a65/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 21:18:08,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b947c948-c69b-4c27-863f-e22126fd5a65/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 21:18:08,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 21:18:08,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 21:18:08,458 INFO L130 BoogieDeclarations]: Found specification of procedure t1_fun [2022-11-20 21:18:08,459 INFO L138 BoogieDeclarations]: Found implementation of procedure t1_fun [2022-11-20 21:18:08,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 21:18:08,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 21:18:08,459 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2022-11-20 21:18:08,459 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2022-11-20 21:18:08,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 21:18:08,460 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-20 21:18:08,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 21:18:08,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 21:18:08,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 21:18:08,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 21:18:08,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 21:18:08,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 21:18:08,462 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 21:18:08,617 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 21:18:08,620 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 21:18:09,368 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 21:18:09,379 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 21:18:09,379 INFO L300 CfgBuilder]: Removed 15 assume(true) statements. [2022-11-20 21:18:09,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:18:09 BoogieIcfgContainer [2022-11-20 21:18:09,382 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 21:18:09,384 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 21:18:09,384 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 21:18:09,387 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 21:18:09,388 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 09:18:07" (1/3) ... [2022-11-20 21:18:09,389 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@246ed80d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:18:09, skipping insertion in model container [2022-11-20 21:18:09,389 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:18:08" (2/3) ... [2022-11-20 21:18:09,389 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@246ed80d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:18:09, skipping insertion in model container [2022-11-20 21:18:09,390 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:18:09" (3/3) ... [2022-11-20 21:18:09,391 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_81-list_racing.i [2022-11-20 21:18:09,400 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-20 21:18:09,411 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 21:18:09,412 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 20 error locations. [2022-11-20 21:18:09,412 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-20 21:18:09,568 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-11-20 21:18:09,632 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-20 21:18:09,655 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 327 places, 345 transitions, 712 flow [2022-11-20 21:18:09,661 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 327 places, 345 transitions, 712 flow [2022-11-20 21:18:09,663 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 327 places, 345 transitions, 712 flow [2022-11-20 21:18:09,971 INFO L130 PetriNetUnfolder]: 52/623 cut-off events. [2022-11-20 21:18:09,972 INFO L131 PetriNetUnfolder]: For 8/16 co-relation queries the response was YES. [2022-11-20 21:18:09,990 INFO L83 FinitePrefix]: Finished finitePrefix Result has 643 conditions, 623 events. 52/623 cut-off events. For 8/16 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 2797 event pairs, 0 based on Foata normal form. 0/529 useless extension candidates. Maximal degree in co-relation 310. Up to 8 conditions per place. [2022-11-20 21:18:10,017 INFO L119 LiptonReduction]: Number of co-enabled transitions 41512 [2022-11-20 21:18:46,752 WARN L233 SmtUtils]: Spent 8.73s on a formula simplification. DAG size of input: 201 DAG size of output: 199 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 21:18:57,410 WARN L233 SmtUtils]: Spent 9.93s on a formula simplification. DAG size of input: 201 DAG size of output: 199 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 21:19:00,376 INFO L134 LiptonReduction]: Checked pairs total: 353471 [2022-11-20 21:19:00,376 INFO L136 LiptonReduction]: Total number of compositions: 278 [2022-11-20 21:19:00,391 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 142 places, 154 transitions, 330 flow [2022-11-20 21:19:02,711 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 58227 states, 57779 states have (on average 3.097163329237266) internal successors, (178951), 58226 states have internal predecessors, (178951), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:19:02,770 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 21:19:02,775 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@39c9c778, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 21:19:02,776 INFO L358 AbstractCegarLoop]: Starting to check reachability of 36 error locations. [2022-11-20 21:19:03,151 INFO L276 IsEmpty]: Start isEmpty. Operand has 58227 states, 57779 states have (on average 3.097163329237266) internal successors, (178951), 58226 states have internal predecessors, (178951), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:19:03,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2022-11-20 21:19:03,168 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:19:03,169 INFO L195 NwaCegarLoop]: trace histogram [1] [2022-11-20 21:19:03,178 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE, t2_funErr7ASSERT_VIOLATIONDATA_RACE, t2_funErr2ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2022-11-20 21:19:03,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:19:03,187 INFO L85 PathProgramCache]: Analyzing trace with hash 1263, now seen corresponding path program 1 times [2022-11-20 21:19:03,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 21:19:03,209 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333137382] [2022-11-20 21:19:03,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:19:03,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 21:19:03,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:19:03,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 21:19:03,365 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 21:19:03,365 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333137382] [2022-11-20 21:19:03,366 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1333137382] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 21:19:03,366 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 21:19:03,366 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-11-20 21:19:03,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832640865] [2022-11-20 21:19:03,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:19:03,373 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-20 21:19:03,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 21:19:03,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-20 21:19:03,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 21:19:03,479 INFO L87 Difference]: Start difference. First operand has 58227 states, 57779 states have (on average 3.097163329237266) internal successors, (178951), 58226 states have internal predecessors, (178951), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:19:04,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:19:04,850 INFO L93 Difference]: Finished difference Result 55925 states and 162240 transitions. [2022-11-20 21:19:04,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 21:19:04,853 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1 [2022-11-20 21:19:04,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:19:05,517 INFO L225 Difference]: With dead ends: 55925 [2022-11-20 21:19:05,518 INFO L226 Difference]: Without dead ends: 55889 [2022-11-20 21:19:05,519 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 21:19:05,524 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 21:19:05,530 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 82 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 21:19:05,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55889 states. [2022-11-20 21:19:08,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55889 to 55889. [2022-11-20 21:19:08,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55889 states, 55548 states have (on average 2.91898898250162) internal successors, (162144), 55888 states have internal predecessors, (162144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:19:09,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55889 states to 55889 states and 162144 transitions. [2022-11-20 21:19:09,209 INFO L78 Accepts]: Start accepts. Automaton has 55889 states and 162144 transitions. Word has length 1 [2022-11-20 21:19:09,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:19:09,210 INFO L495 AbstractCegarLoop]: Abstraction has 55889 states and 162144 transitions. [2022-11-20 21:19:09,210 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:19:09,212 INFO L276 IsEmpty]: Start isEmpty. Operand 55889 states and 162144 transitions. [2022-11-20 21:19:09,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 21:19:09,214 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:19:09,214 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2022-11-20 21:19:09,215 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 21:19:09,215 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE, t2_funErr7ASSERT_VIOLATIONDATA_RACE, t2_funErr2ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2022-11-20 21:19:09,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:19:09,217 INFO L85 PathProgramCache]: Analyzing trace with hash -1058056981, now seen corresponding path program 1 times [2022-11-20 21:19:09,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 21:19:09,220 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638570238] [2022-11-20 21:19:09,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:19:09,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 21:19:09,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 21:19:09,346 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 21:19:09,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 21:19:09,398 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-20 21:19:09,399 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-20 21:19:09,401 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (35 of 36 remaining) [2022-11-20 21:19:09,403 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONDATA_RACE (34 of 36 remaining) [2022-11-20 21:19:09,404 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr1ASSERT_VIOLATIONDATA_RACE (33 of 36 remaining) [2022-11-20 21:19:09,404 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr7ASSERT_VIOLATIONDATA_RACE (32 of 36 remaining) [2022-11-20 21:19:09,404 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr2ASSERT_VIOLATIONDATA_RACE (31 of 36 remaining) [2022-11-20 21:19:09,405 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr3ASSERT_VIOLATIONDATA_RACE (30 of 36 remaining) [2022-11-20 21:19:09,405 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr5ASSERT_VIOLATIONDATA_RACE (29 of 36 remaining) [2022-11-20 21:19:09,405 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr4ASSERT_VIOLATIONDATA_RACE (28 of 36 remaining) [2022-11-20 21:19:09,406 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr6ASSERT_VIOLATIONDATA_RACE (27 of 36 remaining) [2022-11-20 21:19:09,406 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (26 of 36 remaining) [2022-11-20 21:19:09,406 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (25 of 36 remaining) [2022-11-20 21:19:09,407 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (24 of 36 remaining) [2022-11-20 21:19:09,407 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (23 of 36 remaining) [2022-11-20 21:19:09,407 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (22 of 36 remaining) [2022-11-20 21:19:09,407 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (21 of 36 remaining) [2022-11-20 21:19:09,408 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (20 of 36 remaining) [2022-11-20 21:19:09,408 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONDATA_RACE (19 of 36 remaining) [2022-11-20 21:19:09,408 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr1ASSERT_VIOLATIONDATA_RACE (18 of 36 remaining) [2022-11-20 21:19:09,409 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr2ASSERT_VIOLATIONDATA_RACE (17 of 36 remaining) [2022-11-20 21:19:09,409 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr3ASSERT_VIOLATIONDATA_RACE (16 of 36 remaining) [2022-11-20 21:19:09,409 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr4ASSERT_VIOLATIONDATA_RACE (15 of 36 remaining) [2022-11-20 21:19:09,410 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr5ASSERT_VIOLATIONDATA_RACE (14 of 36 remaining) [2022-11-20 21:19:09,410 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONDATA_RACE (13 of 36 remaining) [2022-11-20 21:19:09,410 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr1ASSERT_VIOLATIONDATA_RACE (12 of 36 remaining) [2022-11-20 21:19:09,411 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr7ASSERT_VIOLATIONDATA_RACE (11 of 36 remaining) [2022-11-20 21:19:09,411 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr2ASSERT_VIOLATIONDATA_RACE (10 of 36 remaining) [2022-11-20 21:19:09,411 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr3ASSERT_VIOLATIONDATA_RACE (9 of 36 remaining) [2022-11-20 21:19:09,411 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr5ASSERT_VIOLATIONDATA_RACE (8 of 36 remaining) [2022-11-20 21:19:09,412 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr4ASSERT_VIOLATIONDATA_RACE (7 of 36 remaining) [2022-11-20 21:19:09,412 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr6ASSERT_VIOLATIONDATA_RACE (6 of 36 remaining) [2022-11-20 21:19:09,562 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONDATA_RACE (5 of 36 remaining) [2022-11-20 21:19:09,562 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr1ASSERT_VIOLATIONDATA_RACE (4 of 36 remaining) [2022-11-20 21:19:09,562 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr2ASSERT_VIOLATIONDATA_RACE (3 of 36 remaining) [2022-11-20 21:19:09,563 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr3ASSERT_VIOLATIONDATA_RACE (2 of 36 remaining) [2022-11-20 21:19:09,563 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr4ASSERT_VIOLATIONDATA_RACE (1 of 36 remaining) [2022-11-20 21:19:09,563 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr5ASSERT_VIOLATIONDATA_RACE (0 of 36 remaining) [2022-11-20 21:19:09,563 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 21:19:09,566 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-20 21:19:09,585 WARN L233 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2022-11-20 21:19:09,585 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2022-11-20 21:19:09,702 INFO L144 ThreadInstanceAdder]: Constructed 8 joinOtherThreadTransitions. [2022-11-20 21:19:09,714 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-20 21:19:09,715 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 521 places, 554 transitions, 1156 flow [2022-11-20 21:19:09,716 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 521 places, 554 transitions, 1156 flow [2022-11-20 21:19:09,716 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 521 places, 554 transitions, 1156 flow [2022-11-20 21:19:10,542 INFO L130 PetriNetUnfolder]: 191/1805 cut-off events. [2022-11-20 21:19:10,543 INFO L131 PetriNetUnfolder]: For 72/120 co-relation queries the response was YES. [2022-11-20 21:19:10,589 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1902 conditions, 1805 events. 191/1805 cut-off events. For 72/120 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 12463 event pairs, 2 based on Foata normal form. 0/1517 useless extension candidates. Maximal degree in co-relation 1122. Up to 32 conditions per place. [2022-11-20 21:19:10,757 INFO L119 LiptonReduction]: Number of co-enabled transitions 169368 [2022-11-20 21:19:52,268 WARN L233 SmtUtils]: Spent 7.59s on a formula simplification. DAG size of input: 193 DAG size of output: 191 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 21:20:03,834 WARN L233 SmtUtils]: Spent 7.87s on a formula simplification. DAG size of input: 193 DAG size of output: 191 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 21:20:10,805 INFO L134 LiptonReduction]: Checked pairs total: 1553451 [2022-11-20 21:20:10,805 INFO L136 LiptonReduction]: Total number of compositions: 425 [2022-11-20 21:20:10,806 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 251 places, 277 transitions, 602 flow